Nguyenvansang's snake (''Colubroelaps nguyenvansangi'' ) is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of snake in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Colubridae Colubridae (, commonly known as colubrids , from , 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest fossil species of the family date back to the Late Eocene epoch, with earlier origins suspected. C ...

. The species is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

Etymology

The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

, ''nguyenvansangi'', is in honor of Vietnamese herpetologist Nguyen Van Sang.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Colubroelaps nguyenvansangi'', p. 190).

Taxonomy

As of 2019, the

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

''Colubroelaps'' is

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

, containing the sole species ''C. nguyenvansangi''.

Geographic range

''C. nguyenvansangi'' is found in southern Vietnam, in Bình Phước Province and

Lâm Đồng Province Lâm is a Vietnamese surname. The name is transliterated as Lin in Mandarin and Im in Korean. Lam is the anglicized variation of the surname Lâm. Lam is also a commonly held surname of Cantonese speakers of Chinese descent. Large populations ...

.. www.reptile-database.org.

Description

''C. nguyenvansangi'' may attain a total length of , which includes a tail about long. The head is small, roundish, and short, and is not distinct from the body. The body is very slender. The

dorsal scales In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. Campbell JA, Lamar WW (2004). ''The Venomous Reptiles of the Western Hemisphere''. Ithaca and London: Comstock Publis ...

are in 15 rows at midbody.

Dorsally Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provi ...

, it is striped with brown and black. Ventrally, in striking contrast, it is uniform white.

Etymology

Taxonomy

Geographic range

Description

References

Further reading